It is said that startling children frequently will end up in psychological phenomenon that they will be seriously concerned or anxious about an upcoming danger.
Such a mental state will keep them from going out on their own at night and get them frightened at the sight of animals, lightening, and things like that.
The children aged 6-9 years are much frightened by the phenomenon, which is a psychologically normal.
In this case, they need to be soothed and, in particular, pupils of primary schools should be given a detailed instruction about surrounding natural environment so that they will gradually recognize things.